SC-845
Filtration
Lower Sec Science · Secondary 1 · Hard · Filtration
A student wants to separate a mixture of sand and common salt using water as a solvent. Sand is insoluble in water while salt is soluble in water. What is the correct order of steps to obtain dry salt crystals?
1. Evaporate the solution
2. Filter the mixture
3. Dissolve the mixture in water
1. Evaporate the solution
2. Filter the mixture
3. Dissolve the mixture in water
- 3 → 2 → 1
- 2 → 3 → 1
- 1 → 2 → 3
- 2 → 1 → 3
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